package com.itheima.reggie.controller;

import com.baomidou.mybatisplus.extension.plugins.pagination.Page;
import com.itheima.reggie.common.R;
import com.itheima.reggie.pojo.Category;
import com.itheima.reggie.service.CategoryService;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.web.bind.annotation.*;

import java.util.List;

/**
 * 分类管理
 */
@RestController
@RequestMapping("category")
public class CategoryController {
    @Autowired
    private CategoryService categoryService;

    //修改分类
    @PutMapping()
    public R update(@RequestBody Category category) {
        categoryService.updateById(category);
        return R.success("修改成功");
    }

    //分页查询
    @GetMapping("page")
    public R selectByPage(int page, int pageSize) {
        Page<Category> page1 = new Page<>(page, pageSize);
        categoryService.lambdaQuery()
                .orderByAsc(Category::getSort)
                .orderByDesc(Category::getUpdateTime)
                .page(page1);
        return R.success(page1);
    }

    //根据id删除
    @DeleteMapping()
    public R deleteByIds(Long id) {
        categoryService.deleteById(id);
        return R.success("删除成功");
    }

    //添加分类
    @PostMapping()
    public R add(@RequestBody Category category) {
        categoryService.save(category);
        return R.success("添加成功");
    }

    //根据type查询
    @GetMapping("list")
    public R selectByType(Integer type) {
        List<Category> list = categoryService.lambdaQuery()
                .eq(type!=null,Category::getType, type)
                .orderByDesc(Category::getSort)
                .list();
        return R.success(list);
    }
}
